Question

which is a natural indicator from the following 1) litmus 2) methyl orange 3) universal indicator 4) phenolphthalein

Answer 1

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Answer:- Non of the above options is a natural indicator

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Answer 2

Litmus is the natural indicator.

Explanation:

• The Natural indicator is characterized as the chemical compounds which are obtained naturally and help in differentiating a substance to be basic or acidic in nature.
• Among the given options, 'Litmus' is the natural indicator as it is obtained from the plant named 'Lichen.'
• It turns red when the substance is acidic and blue for the substances having a basic nature. The others are chemically obtained indicators to classify acids and bases.

Learn more: Natural Indicator

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